上海FS120R有哪些上海冰仆冷暖設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="可以根據(jù)一下幾個方面選擇冷凍機油：1、根據(jù)壓縮類型選用潤滑油，冷凍機的壓縮機有活塞式、螺桿式和離心式三種，上海FS120R有哪些，前兩種的潤滑油與被壓縮的制冷劑直接接觸，要考慮到潤滑油和制冷劑之間的相互影響問題。離心式所用的潤滑油只是用來潤"><meta name="keywords" content="上海FS120R有哪些,冷凍油"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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clearfix"><h1>上海FS120R有哪些上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="aeg2eie" class="proBig"><div id="laxmj2z" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401018787134159/2824752.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f7kc2cu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401018787134159/2824752.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jiaxmdf" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海FS120R有哪些,冷凍油</p><p><span>***更新：</span>2021-01-29 04:18:05</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="keg7rbi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冰仆冷暖設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐佳華</p><p><span>郵箱: </span>444054147@qq.com</p><p><span>電話: </span>13761656620</p><p><span>傳真: </span>1_1</p><p><span>網(wǎng)址: </span>https://www.shbpln.com</p><p><span>手機: </span>1-1</p><p><span>地址: </span>美丹路222號629室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8mewda3" class="page-proshow02"><p class="title">詳細說明</p><div id="8v38ofz" class="box"><p><p style="text-indent:25px">可以根據(jù)一下幾個方面選擇冷凍機油：1、根據(jù)壓縮類型選用潤滑油，冷凍機的壓縮機有活塞式、螺桿式和離心式三種，上海FS120R有哪些，前兩種的潤滑油與被壓縮的制冷劑直接接觸，要考慮到潤滑油和制冷劑之間的相互影響問題。離心式所用的潤滑油只是用來潤滑轉(zhuǎn)子軸承，也可根據(jù)負荷及轉(zhuǎn)速的大小選用。2、根據(jù)制冷劑的類型選用潤滑油，與制冷劑直接接觸的潤滑油，上海FS120R有哪些，要考慮二者之間的相互影響。如氟里昂一類的制冷劑能溶于礦物油，因而選用的潤滑油粘度等級，應(yīng)比使用不溶性制冷劑的高一個等級，以防止?jié)櫥捅幌♂尯蟛荒鼙ＷC潤滑。另外，還應(yīng)注意混入制冷劑中的少量潤滑油會不會影響制冷系統(tǒng)的工作。冷凍機油的絮凝點便是檢查混入制冷劑中的潤滑油是否析出蠟結(jié)晶而使制冷系統(tǒng)堵塞的質(zhì)量指標。油溫過低或多過高都將使冷凍油惡化，上海FS120R有哪些，同時，還經(jīng)常預示預示故障的到來。上海FS120R有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海FS120R有哪些,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018787134159/2824752.png"></div><p style="text-indent:25px">冷凍油如果沒有匹配好，將有可能造成壓縮機燒壞，制冷系統(tǒng)癱瘓后，其影響不可估量。水冷螺桿式冷水機上使用的冷凍油應(yīng)該使用原廠匹配的產(chǎn)品。較優(yōu)合適的冷凍油能夠讓螺桿壓縮機的制冷量更高，隨之其效率高。螺桿式冷水機的應(yīng)用千變?nèi)f化，也就是壓縮機的工況變化繁多，并且不同工質(zhì)系統(tǒng)的回油情況不一樣，所以油的選擇也比較復雜。一般來講，R22為表示的工質(zhì)，選用礦物油居多，而以R404A和R134a為表示的工質(zhì)，則選擇合成油。大的類型選定后，還要根據(jù)不同的工況選擇不同牌號的油。上海FS120R有哪些如果冷凍油油溫一直不穩(wěn)定且緩慢上升，則說明有故障。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海FS120R有哪些,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018768999346/9866695.png"></div><p style="text-indent:25px">冷凍油的濁點是指溫度降低到某一數(shù)值時，冷凍油中開始析出石蠟，使?jié)櫥妥兊没鞚釙r的溫度。制冷設(shè)備所用冷凍油的濁點應(yīng)低于制冷劑的蒸發(fā)溫度，否則會引起節(jié)流閥堵塞或影響傳熱性能。如化學穩(wěn)定性和抗氧性、水分和機械雜質(zhì)以及絕緣性能。冷凍油的閃點是指潤滑油加熱到它的蒸汽與火焰接觸時發(fā)生打火的較低溫度。制冷設(shè)備所用冷凍油的閃點必須比排氣溫度高15~30℃以上，以免引起潤滑油的燃燒和結(jié)焦。冷凍油油溫一般要保持在45~60℃之間，較高不宜超多70℃，而且穩(wěn)定，如果油溫一直不穩(wěn)定且緩慢上升，則說明有故障。</p><p style="text-indent:25px">冷凍設(shè)備對冷凍油的要求：由于使用場合和制冷劑的不同，制冷設(shè)備對冷凍機油的選擇也不同。對冷凍油的要求如下：(1)冰點在實驗條件下，冷凍油冷卻到停止流動時的冰點稱為冰點。制冷設(shè)備中使用的冷凍油的凝固點應(yīng)盡可能低(如R22壓縮機，冷凍油應(yīng)低于-55)，否則會影響制冷劑的流動，增加流動阻力，導致傳熱效果不佳。(2)粘度冷凍機油是粘度油性質(zhì)的重要參數(shù)。應(yīng)相應(yīng)選擇不同的制冷劑。如果冷凍油的粘度過高，機械摩擦功率、摩擦熱和起動扭矩都會增加。相反，如果粘度太小，運動部件之間不會形成所需的油膜，從而達不到潤滑和冷卻的效果。冷凍油在壓縮機各運動部件間潤滑時，可帶走工作過程中所產(chǎn)生的熱量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海FS120R有哪些,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018809058300/6262749.png"></div><p style="text-indent:25px">冷凍機油的性能要求：1、合適的粘度，冷凍機油的粘度除了要保證各運動部件的磨擦面有良好潤滑性以外，還要從制冷機中帶走部分熱量，以及起到密封作用。如果制冷機所使用的制冷劑對冷凍機油互溶性較大時，應(yīng)考慮使用粘度較大的油品，以克服潤滑油被制冷劑稀釋后的影響。2、揮發(fā)性小，閃點高，冷凍機油的揮發(fā)量愈大，隨制冷劑循環(huán)的油量也愈多，因此要求冷凍機油的餾份范圍愈窄愈好，閃點亦應(yīng)高于制冷機排氣溫度25～30℃以上。3、良好的化學穩(wěn)定性和熱氧化穩(wěn)定性，制冷機工作中的較后壓縮溫度可達130℃～160℃，在此溫度下冷凍機油會受熱而不斷分解變質(zhì)，生成積炭而導致制冷機產(chǎn)生故障與磨損。冷凍油是螺桿壓縮機運行不可缺少的重要材料，是決定壓縮機使用壽命的關(guān)鍵。蘇州冰熊冷凍油哪家好</p><p style="text-indent:25px">水冷螺桿式冷水機上使用的冷凍油應(yīng)該使用原廠匹配的產(chǎn)品。上海FS120R有哪些</p><p style="text-indent:25px">為保護臭氧層，國際上對空調(diào)設(shè)備的制冷劑都做了限制，出現(xiàn)了各種替代制冷劑，其冷凍油也相應(yīng)發(fā)生了變化。對空調(diào)替代制冷劑為R134a、R410a/R407c，其替代分別采用PAG、POE。POE是Polyol Ester的縮寫，又稱聚酯油，它是一類合成的多元醇酯類油。PAG是Polyalkylene Glycol的縮寫，是一種合成的聚(乙)二醇類潤滑油。其中，POE油不僅能良好地用于HFC類制冷劑系統(tǒng)中，也能用于烴類制冷。PAG油則可用HFC類、烴類和氨作為制冷劑的制冷系統(tǒng)中的潤滑油。由于使用場合和制冷劑的不同，制冷設(shè)備對冷凍油的選擇也不一樣。上海FS120R有哪些</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家銷售:制拎設(shè)備、化工產(chǎn)品(除危險化學品、監(jiān)控化學品、煙花爆竹、民用物品、易制毒化學品)、儀器儀表、汽車配件，機械配件、五金電器、焊接工具。銷售:制拎設(shè)備、化工產(chǎn)品(除危險化學品、監(jiān)控化學品、煙花爆竹、民用物品、易制毒化學品)、儀器儀表、汽車配件，機械配件、五金電器、焊接工具。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售，是化工的主力軍。冰仆冷暖設(shè)備不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。冰仆冷暖設(shè)備創(chuàng)始人徐佳華，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: 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